Home / 119,895.45-165,455.73-66,180.48

Finding the Fourth Proportional to 119,895.45, 165,455.73 and 66,180.48

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Solution

The fourth proportional to 119,895.45, 165,455.73 and 66,180.48 is: 91,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,895.45 : 165,455.73 = 66,180.48 : x
  2. Step 2: Convert to fraction form
    119,895.45/165,455.73 = 66,180.48/x
  3. Step 3: Cross multiply
    119,895.45x = 165,455.73 × 66,180.48
  4. Step 4: Simplify right side
    119,895.45x = 10,949,939,630.15
  5. Step 5: Solve for x
    x = 10,949,939,630.15/119,895.45
  6. Step 6: Final answer
    x = 91,329.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.